Several bird species are considered raptors.
While it can't be flatly stated that every single genus of raptor had feathers, enough fossils have been unearthed bearing evidence of this unmistakable bird-like trait to lead paleontologists to conclude that feathered raptors were the norm, rather than the exception.
The talons are rounded and the outer toes are reversible which lets it hold onto slippery fish more easily.